Analysis
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max time kernel
150s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240426-en -
resource tags
arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system -
submitted
17-05-2024 12:30
Static task
static1
Behavioral task
behavioral1
Sample
895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe
Resource
win10v2004-20240508-en
General
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Target
895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe
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Size
4.1MB
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MD5
f419f7a253fd90828f1e292b16a2f3ef
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SHA1
cd157c0e3f61984c6e3a7fe21239a5cbe6064863
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SHA256
895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22
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SHA512
7107731c2dc7a8aca75e13b3ee90f0a92dcda399b2dc10af1940ed0674a6cf8f274f914291c3a5822fef6bf54d07ce7246744c38a64a8a2ed6a524f01b4ec1dd
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SSDEEP
98304:Md7tSzSG1TEQyj2soCVZzfOSLUhtCaFAX/iUIATxmmpvA2aCdQuFREnErh:ORMSLQaVNfPUP9FaqUIATxXaCdFFREnQ
Malware Config
Signatures
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Glupteba payload 19 IoCs
resource yara_rule behavioral2/memory/4088-2-0x0000000004D60000-0x000000000564B000-memory.dmp family_glupteba behavioral2/memory/4088-3-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/4088-52-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/4088-54-0x0000000004D60000-0x000000000564B000-memory.dmp family_glupteba behavioral2/memory/4088-66-0x0000000000400000-0x0000000000D1C000-memory.dmp family_glupteba behavioral2/memory/3680-65-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3680-131-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-163-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-205-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-217-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-221-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-225-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-229-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-233-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-237-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-241-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-245-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-249-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba behavioral2/memory/3460-253-0x0000000000400000-0x0000000002B0D000-memory.dmp family_glupteba -
Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 1612 netsh.exe -
Executes dropped EXE 4 IoCs
pid Process 3460 csrss.exe 556 injector.exe 3684 windefender.exe 4056 windefender.exe -
resource yara_rule behavioral2/files/0x000200000002a9f8-208.dat upx behavioral2/memory/3684-211-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3684-215-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4056-214-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/3684-216-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4056-220-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4056-228-0x0000000000400000-0x00000000008DF000-memory.dmp upx behavioral2/memory/4056-240-0x0000000000400000-0x00000000008DF000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Set value (str) \REGISTRY\USER\S-1-5-21-3062789476-783164490-2318012559-1000\Software\Microsoft\Windows\CurrentVersion\Run\csrss = "\"C:\\Windows\\rss\\csrss.exe\"" csrss.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Manipulates WinMonFS driver. 1 IoCs
Roottkits write to WinMonFS to hide directories/files from being detected.
description ioc Process File opened for modification \??\WinMonFS csrss.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe File created C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive powershell.exe -
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.
description ioc Process File opened (read-only) \??\VBoxMiniRdrDN 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File opened for modification C:\Windows\rss 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe File created C:\Windows\rss\csrss.exe 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe File created C:\Windows\windefender.exe csrss.exe File opened for modification C:\Windows\windefender.exe csrss.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 3032 sc.exe -
pid Process 1704 powershell.exe 2300 powershell.exe 1600 powershell.exe 4208 powershell.exe 3912 powershell.exe 2848 powershell.exe 2996 powershell.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 568 schtasks.exe 3128 schtasks.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2512 = "Lord Howe Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1801 = "Line Islands Daylight Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-502 = "Nepal Standard Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-82 = "Atlantic Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2772 = "Omsk Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-791 = "SA Western Daylight Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-391 = "Arab Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2371 = "Easter Island Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-384 = "Namibia Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-382 = "South Africa Standard Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-302 = "Romance Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-11 = "Azores Daylight Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-142 = "Canada Central Standard Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-2492 = "Aus Central W. Standard Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1972 = "Belarus Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1022 = "Bangladesh Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-241 = "Samoa Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-132 = "US Eastern Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1471 = "Magadan Daylight Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1871 = "Russia TZ 7 Daylight Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0" powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-892 = "Morocco Standard Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-562 = "SE Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-401 = "Arabic Daylight Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1022 = "Bangladesh Standard Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-1721 = "Libya Daylight Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-841 = "Argentina Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-512 = "Central Asia Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2842 = "Saratov Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-911 = "Mauritius Daylight Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-602 = "Taipei Standard Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-722 = "Central Pacific Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-2631 = "Norfolk Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-211 = "Pacific Daylight Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-162 = "Central Standard Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-215 = "Pacific Standard Time (Mexico)" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-222 = "Alaskan Standard Time" windefender.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-192 = "Mountain Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-692 = "Tasmania Standard Time" windefender.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-661 = "Cen. Australia Daylight Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\C:\Windows\system32\,@tzres.dll,-105 = "Central Brazilian Standard Time" 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA powershell.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing powershell.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\2a\52C64B7E\@tzres.dll,-842 = "Argentina Standard Time" windefender.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4208 powershell.exe 4208 powershell.exe 4088 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 4088 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 3912 powershell.exe 3912 powershell.exe 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 2848 powershell.exe 2848 powershell.exe 2996 powershell.exe 2996 powershell.exe 1704 powershell.exe 1704 powershell.exe 2300 powershell.exe 2300 powershell.exe 1600 powershell.exe 1600 powershell.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 3460 csrss.exe 3460 csrss.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 3460 csrss.exe 3460 csrss.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 3460 csrss.exe 3460 csrss.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe 556 injector.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeDebugPrivilege 4208 powershell.exe Token: SeDebugPrivilege 4088 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Token: SeImpersonatePrivilege 4088 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe Token: SeDebugPrivilege 3912 powershell.exe Token: SeDebugPrivilege 2848 powershell.exe Token: SeDebugPrivilege 2996 powershell.exe Token: SeDebugPrivilege 1704 powershell.exe Token: SeDebugPrivilege 2300 powershell.exe Token: SeDebugPrivilege 1600 powershell.exe Token: SeSystemEnvironmentPrivilege 3460 csrss.exe Token: SeSecurityPrivilege 3032 sc.exe Token: SeSecurityPrivilege 3032 sc.exe -
Suspicious use of WriteProcessMemory 36 IoCs
description pid Process procid_target PID 4088 wrote to memory of 4208 4088 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 82 PID 4088 wrote to memory of 4208 4088 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 82 PID 4088 wrote to memory of 4208 4088 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 82 PID 3680 wrote to memory of 3912 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 87 PID 3680 wrote to memory of 3912 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 87 PID 3680 wrote to memory of 3912 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 87 PID 3680 wrote to memory of 5100 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 89 PID 3680 wrote to memory of 5100 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 89 PID 5100 wrote to memory of 1612 5100 cmd.exe 91 PID 5100 wrote to memory of 1612 5100 cmd.exe 91 PID 3680 wrote to memory of 2848 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 92 PID 3680 wrote to memory of 2848 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 92 PID 3680 wrote to memory of 2848 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 92 PID 3680 wrote to memory of 2996 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 94 PID 3680 wrote to memory of 2996 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 94 PID 3680 wrote to memory of 2996 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 94 PID 3680 wrote to memory of 3460 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 96 PID 3680 wrote to memory of 3460 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 96 PID 3680 wrote to memory of 3460 3680 895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe 96 PID 3460 wrote to memory of 1704 3460 csrss.exe 97 PID 3460 wrote to memory of 1704 3460 csrss.exe 97 PID 3460 wrote to memory of 1704 3460 csrss.exe 97 PID 3460 wrote to memory of 2300 3460 csrss.exe 103 PID 3460 wrote to memory of 2300 3460 csrss.exe 103 PID 3460 wrote to memory of 2300 3460 csrss.exe 103 PID 3460 wrote to memory of 1600 3460 csrss.exe 105 PID 3460 wrote to memory of 1600 3460 csrss.exe 105 PID 3460 wrote to memory of 1600 3460 csrss.exe 105 PID 3460 wrote to memory of 556 3460 csrss.exe 107 PID 3460 wrote to memory of 556 3460 csrss.exe 107 PID 3684 wrote to memory of 4084 3684 windefender.exe 113 PID 3684 wrote to memory of 4084 3684 windefender.exe 113 PID 3684 wrote to memory of 4084 3684 windefender.exe 113 PID 4084 wrote to memory of 3032 4084 cmd.exe 114 PID 4084 wrote to memory of 3032 4084 cmd.exe 114 PID 4084 wrote to memory of 3032 4084 cmd.exe 114 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe"C:\Users\Admin\AppData\Local\Temp\895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4208
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C:\Users\Admin\AppData\Local\Temp\895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe"C:\Users\Admin\AppData\Local\Temp\895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22.exe"2⤵
- Adds Run key to start application
- Checks for VirtualBox DLLs, possible anti-VM trick
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3680 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3912
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵
- Suspicious use of WriteProcessMemory
PID:5100 -
C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:1612
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2848
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile3⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2996
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe3⤵
- Executes dropped EXE
- Adds Run key to start application
- Manipulates WinMonFS driver.
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3460 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1704
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:568
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C:\Windows\SYSTEM32\schtasks.exeschtasks /delete /tn ScheduledUpdate /f4⤵PID:1976
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2300
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell -nologo -noprofile4⤵
- Drops file in System32 directory
- Command and Scripting Interpreter: PowerShell
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1600
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:556
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C:\Windows\SYSTEM32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:3128
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C:\Windows\windefender.exe"C:\Windows\windefender.exe"4⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:3684 -
C:\Windows\SysWOW64\cmd.execmd.exe /C sc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)5⤵
- Suspicious use of WriteProcessMemory
PID:4084 -
C:\Windows\SysWOW64\sc.exesc sdset WinDefender D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPLOCRSDRCWDWO;;;BA)(D;;WPDT;;;BA)(A;;CCLCSWLOCRRC;;;IU)(A;;CCLCSWLOCRRC;;;SU)S:(AU;FA;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;WD)6⤵
- Launches sc.exe
- Suspicious use of AdjustPrivilegeToken
PID:3032
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C:\Windows\windefender.exeC:\Windows\windefender.exe1⤵
- Executes dropped EXE
- Modifies data under HKEY_USERS
PID:4056
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
281KB
MD5d98e33b66343e7c96158444127a117f6
SHA1bb716c5509a2bf345c6c1152f6e3e1452d39d50d
SHA2565de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
SHA512705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Filesize2KB
MD5ac4917a885cf6050b1a483e4bc4d2ea5
SHA1b1c0a9f27bd21c6bbb8e9be70db8777b4a2a640f
SHA256e39062a62c3c7617feeeff95ea8a0be51104a0d36f46e44eea22556fda74d8d9
SHA512092c67a3ecae1d187cad72a8ea1ea37cb78a0cf79c2cd7fb88953e5990669a2e871267015762fd46d274badb88ac0c1d73b00f1df7394d89bed48a3a45c2ba3d
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5b9fa3adc51d5e417a6a4186cf054bb3f
SHA1c5e3f13cce3d67a21ee929a3343ed0c376da4ad0
SHA256ae4ff0d0f495d7bfee7979c4b5b8e37283a9b27d7c9727ba58a8bfc20d792f08
SHA5129452eb4f206d02cd5fc9139f155d366915de05e40702c9bae5269de7de19a891f5f9b6a2c1cebebc9b7127c78f2bfc99e98665a7e7bcdf02b023ab3b6bcc93b6
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD5f415e8d1dd8c653bb59b7c70d2b211a9
SHA1b854fbf3d1b0a22ea63eab3e59eb106e6db8fb99
SHA2564202d5a060bec2ccf49fc895d13e50ae6f56f8d2e5ab081e92b212a974234387
SHA5122b05cee980ea523e1c78d9f00232707bb27e1e59d113d48be8d822fc9058af417189465727ad87e15a00a3e49024e26a70660b75e66d255ced48d492a552c737
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD551d31a7e9b8eb0da16f29bd3d2972fcf
SHA1d181a5054d751af46d0e00a02e6c687e81839de2
SHA256559c5c51736457679e565e0a4b5a4ab250b5e1f9e4d1aaab04a0675e70969f98
SHA512fd7cb67a08983fed2835f89c5198653f4912bf41a976954f2cf6e695704bb4321748008b14fd8998561f9bb7caf1ddd2ec34aa7b8e86c2f95ddea70f9bd87d12
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD55f238f677db79312193db15672cca068
SHA17f6d27e0bd3c3ad23653231c0eb4f3eacb276c90
SHA256447c5d9431e90a1e00d0e13e7c93814106e711d60920fe65d26b903824e1d81a
SHA512dd9cfc646c4538a3b027e7533c6a3a9edd9e5214025edea501ee5d38d53cc70988d40a3e4378dcf873375a29c35032a989bfd5b9932e78818909ce98288139d9
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C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
Filesize19KB
MD544d65b9672f1a3596d4f30bd20a153ab
SHA1f0d231b0fd254685f3308025c9ddc48bbdd44505
SHA256be1760a759addff999e7282fdaf7fa234135c3abc26767682b77623baca1cdb2
SHA512edc779d6a12c0964746b88eea323b5e265f31cdee2b1226aa60c6731100266e85706787502d1045016e7c5046cca91c177034b66a1e0492317c33df881248bf9
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Filesize
4.1MB
MD5f419f7a253fd90828f1e292b16a2f3ef
SHA1cd157c0e3f61984c6e3a7fe21239a5cbe6064863
SHA256895cb919ce6941661c98a4e8128320c8560612fac64e14faeab111bab30bbc22
SHA5127107731c2dc7a8aca75e13b3ee90f0a92dcda399b2dc10af1940ed0674a6cf8f274f914291c3a5822fef6bf54d07ce7246744c38a64a8a2ed6a524f01b4ec1dd
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Filesize
2.0MB
MD58e67f58837092385dcf01e8a2b4f5783
SHA1012c49cfd8c5d06795a6f67ea2baf2a082cf8625
SHA256166ddb03ff3c89bd4525ac390067e180fdd08f10fbcf4aadb0189541673c03fa
SHA51240d8ae12663fc1851e171d9d86cea8bb12487b734c218d7b6f9742eb07d4ca265065cbd6d0bb908f8bda7e3d955c458dfe3fd13265bbf573b9351e0a2bf691ec